'Declaration Public ReadOnly Property TypeMap As SqlTypeMap
public SqlTypeMap TypeMap {get;}
The following MSDN article outlines the default mappings: SQL Server Data Type Mappings (ADO.NET)
Note that the indexer for the SqlTypeMap class is settable, so that the developer can remap data types at their convenience.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2